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НАУЧНО-ТЕХНИЧЕСКИ СЪЮЗ ПО МИННО ДЕЛО, ГЕОЛОГИЯ И МЕТАЛУРГИЯ SCIENTIFIC AND TECHNICAL UNION OF MINING, GEOLOGY AND METALLURGY НАУЧНО-ТЕХНИЧЕСКИЙ СОЮЗ ПО ГОРНОМУ ДЕЛУ, ГЕОЛОГИИ И МЕТАЛЛУРГИИ |
70 Anniversary of the University of Mining and Geology “St. Ivan Rilski”
70 Anniversary of the University of Chemical Technology and Metallurgy
PROCEEDINGS
OF THE XVII INTERNATIONAL CONFERENCE
OF THE OPEN AND UNDERWATER MINING OF MINERALS
ХVII Международна конференция
по открит и подводен добив на полезни изкопаеми
ХVII Международная конференция
по открытой и подводной добыче полезных ископаемых
18 – 22 September 2023
Astor Garden Hotel, Sts. Constantne and Helena Resort
Varna, Bulgaria
NATIONAL EDITORIAL COUNCIL
Prof. Dr. Eng. Andrey Totsev, Prof. Dr. Eng. Georgi Konstantinov,
MSc Eng. Georgi Lisev, Prof. Dr. Eng. Georgi Mihaylov,
MSc Eng. Georgi Petrov, Prof. Dr. Eng. Dimitar Anastasov,
Assoc. Prof. Dr. Eng. Evgeniya Aleksandrova, Assoc. Prof. Dr. Eng. Ekaterina Serafimova
MSc Eng. Ivan Andreev, MSc Eng. Milen Manov,
Prof. Dr. Eng. Chavdar Kolev
SCIENTIFIC AND TECHNICAL UNION OF MINING, GEOLOGY AND METALLURGY
ISSN: 2535-0854
2023, Bulgaria